Abbreviation	Full form
ACE	Angiotensin-converting enzyme
AI	Artificial intelligence
ARB	Angiotensin receptor blocker
AUC	Area under the curve
BMI	Body mass index
BNP	B-type natriuretic peptide
BUN	Blood urea nitrogen
cGMP	Cyclic guanosine monophosphate
CNN	Convolutional neural network
CV	Cardiovascular
ECG	Electrocardiogram
ECV	Extracellular volume
eGFR	Estimated glomerular filtration rate
EHR	Electronic health record
ESC	European Society of Cardiology
FDA	Food and Drug Administration
GA-KPLS	Genetic algorithm-optimized kernel partial least squares
GDF-15	Growth/differentiation factor-15
GLS	Global longitudinal strain
H2FPEF	Heavy, Hypertensive, Atrial Fibrillation, Pulmonary Hypertension, Elder, Filling Pressure Score
HF	Heart failure
HFA-PEFF	Heart Failure Association Pre-test Assessment, Echocardiography, Functional Testing, Final Etiology
HFmrEF	Heart failure with mildly reduced ejection fraction
HFpEF	Heart failure with preserved ejection fraction
HFrEF	Heart failure with reduced ejection fraction
IDI	Integrated discrimination improvement
KCCQ	Kansas City Cardiomyopathy Questionnaire
LASSO	Least absolute shrinkage and selection operator
LAVI	Left atrial volume index
LGE	Late gadolinium enhancement
LightGBM	Light gradient boosting machine
LIME	Local interpretable model-agnostic explanations
LVEF	Left ventricular ejection fraction
MAGGIC	Meta-Analysis Global Group in Chronic Heart Failure
ML	Machine learning
MMP	Matrix metalloproteinase
MRA	Mineralocorticoid receptor antagonist
MRI	Magnetic resonance imaging
NRI	Net reclassification improvement
NT-proBNP	N-terminal pro-B-type natriuretic peptide
PASP	Pulmonary artery systolic pressure
RNN	Recurrent neural network
SHAP	SHapley Additive exPlanations
SGLT2	Sodium–glucose cotransporter-2
SMOTE	Synthetic minority oversampling technique
SVM	Support vector machine
TEER	Transcatheter edge-to-edge repair
TIMP	Tissue inhibitor of metalloproteinase
TNFα	Tumor necrosis factor alpha
TOPCAT	Treatment of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist Trial
TRIPOD	Transparent Reporting of a Multivariable Prediction Model for Individual Prognosis or Diagnosis
TRV	Tricuspid regurgitation velocity
XGBoost	Extreme gradient boosting